Can’t Delete Calendar Events in Outlook: How to Fix It

Although unusual, but a poor connection can cause this problem

by Loredana Harsana
Loredana Harsana
Loredana Harsana
Managing Editor
Loredana is a passionate writer with a keen interest in PC software and technology. She started off writing about mobile phones back when Samsung Galaxy S II was... read more
Reviewed by Alex Serban
Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • Using the Outlook Web version is often the easiest way to delete calendar events in Outlook.
  • Always run the latest version of Outlook to ensure you get all the latest functionalities and bug fixes.
  • Close the Outlook app before running any Outlook command line switches.
can't delete calendar events in outlook

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The Calendar feature is a very useful option in Outlook; to help you keep reminders of important events. However, you’d often need to delete such events from your calendar. While trying to delete the events, the can’t delete calendar events error can be triggered. If you can’t delete calendar events in Outlook, this article will help you resolve such errors.

Why can’t I delete calendar events in outlook?

Here are a couple of reasons why you can’t delete calendar events in Outlook:

  • Outdated Microsoft Office: If Microsoft Office is running on an outdated version, you might find it hard to delete calendar events on Outlook.
  • Poor Network Connection: Sometimes, you cannot delete calendar events because of a poor Internet connection. If you’ve got an unstable connection, Outlook won’t be able to function properly.
  • Corrupt App Data: If the Outlook application’s data is corrupted, it can result in a long list of errors, one of which includes being unable to delete calendar events.

What can I do if I can’t delete calendar events in outlook?

Before we move on to more advanced solutions, here are a couple of quick fixes you can attempt:

  • Exit all clients, such as Outlook web, on which the mailbox is set up.
  • Restart your PC.
  • Fix network congestion.
  • Close and relaunch the Outlook app.

If those quick fixes couldn’t resolve the error, here are a couple of advanced troubleshooting techniques you can attempt:

1. Use the Outlook Web Version

  1. Type in Chrome or Firefox in the Windows search bar and hit Enter.
  2. Visit outlook.com and click on the Calendar option.
  3. In the calendar view of Outlook.com, right-click the specified calendar on the Navigation Pane, and then select Delete (or Remove) in the drop-down menu.
  4. A delete Calendar dialog box will open. Click the Yes button to remove the calendar.

Using the Outlook Web version is one of the easiest ways to fix the inability to delete calendar events in Outlook.

2. Reset the Calendar App

  1. Press Windows key + I to open Settings.
  2. Click on Apps and select Installed apps.
  3. Search and select the Mail and Calendar app, click the three dot option, and select Advanced options.
  4. Under the Reset section, click the Reset button.

Once you complete the steps, the Mail and Calendar applications will revert back to their default state, deleting all data stored locally on the computer.

You’ll have to reconfigure Outlook when you next launch the application.

3. Run Outlook Commands

You can use two specific Outlook commands to resolve this error; depending on the item you want to delete, you can use either of them.

It’s extremely important to exit Outlook before running any of these switches.

  1. Press the Windows + R keys to launch the Run window, type this in the search box, and then press Enter: outlook /cleanreminders
  2. Press the Windows + R keys to launch the Run window, type this in the search box, and then press Enter: outlook /cleandmrecords

After running either of these switches, relaunch Outlook, and then try to delete the message again. For more information about these type of switches, see Microsoft’s documentation of Outlook command line switches for Windows.

4. Delete after Editing the Message

  1. Type in Outlook in the Windows search bar and hit Enter.
  2. In the Outlook app, double-click the email message.
  3. Locate the Move Group in the message ribbon, click Actions, and Edit Message.
  4. Edit the message by removing or adding some characters to it.
  5. Click File, and then save the message.
  6. Try to delete the message again.

We believe our guide should help you resolve the error, but if you’ve got other solutions to resolve this error, do let us know in the comments.

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